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2017 Outlander Sport CVT Shuddering - Time for Fluid Change?

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Mike T. · rep 0 · May 25, 4:11 AM · 1 replies · solved · Question

Vehicle: 2017 Mitsubishi Outlander Sport ES

Hey everyone,

I've got a 2017 Mitsubishi Outlander Sport ES with about 75,000 miles on it, and lately, I've noticed a slight shuddering, especially when accelerating from a stop or at lower speeds. It feels like it's coming from the transmission.

I'm wondering if this is a common issue with the CVT, and if it's time for a transmission fluid change. I haven't had it done yet, and I'm a bit nervous about doing it myself or taking it to a non-dealer shop. Any advice on the best course of action or what kind of fluid to use?

No check engine light yet, but the shudder is definitely noticeable and getting a bit worse.

✓ Accepted solution

ClearTheCode Admin

ClearTheCode Team · rep 0 · May 25, 4:11 AM

0

ClearTheCode admin answer:

It sounds like you're experiencing symptoms commonly associated with a Continuously Variable Transmission (CVT) that might be due for maintenance. The shuddering you describe, especially under acceleration, is a tell-tale sign that the transmission fluid could be degraded or low.

Here’s what you should consider:

  1. Check Fluid Level and Condition: Before anything else, ensure the CVT fluid level is correct and inspect its condition. Mitsubishi CVTs are sensitive to fluid quality. If the fluid looks dark, smells burnt, or has metal particles, it's a strong indicator of wear.
  2. CVT Fluid Change: For your 2017 Outlander Sport, Mitsubishi generally recommends CVT fluid replacement around 60,000 to 100,000 miles, depending on driving conditions. Given your 75,000 miles and symptoms, it's definitely time. Use only genuine Mitsubishi DiaQueen CVT Fluid J4 or an equivalent fluid that meets the J4 specification. Using the wrong fluid can cause severe transmission damage.
  3. Causes of Shudder:
    • Degraded CVT fluid leading to improper friction between the belt/pulleys.
    • Low fluid level.
    • Wear in the CVT internal components.
  4. When to See a Shop:
    • If you're uncomfortable performing the fluid change yourself, a reputable independent shop specializing in transmissions or a Mitsubishi dealer is recommended. They have the correct equipment for precise fluid level checks and filling.
    • If the shuddering persists after a proper fluid change, or if a Check Engine Light (CEL) illuminates (potentially with codes like P0741 for Torque Converter Clutch Performance), it could indicate a more serious internal transmission issue requiring professional diagnosis and potentially more extensive repairs. Addressing it now with a fluid change might prevent further damage.
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